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Fixed gtk_cell_layout_set_cell_data_func() to pass the correct layout object

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Added _gtk_cell_area_set_cell_data_func_with_proxy() to be called by
gtk_cell_layout_set_cell_data_func() when the layouting object itself
is not the underlying cell area.
This commit is contained in:
Tristan Van Berkom 2010-12-20 19:37:30 +09:00
parent 13f18567e9
commit c8ae68c33d
3 changed files with 78 additions and 32 deletions
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82
gtk/gtkcellarea.c
View File

@ -497,6 +497,7 @@ typedef struct {
GtkCellLayoutDataFunc func;
gpointer data;
GDestroyNotify destroy;
GtkCellLayout *proxy;
} CellInfo;
static CellInfo *cell_info_new (GtkCellLayoutDataFunc func,
@ -1208,7 +1209,7 @@ apply_cell_attributes (GtkCellRenderer *renderer,
/* Call any GtkCellLayoutDataFunc that may have been set by the user
*/
if (info->func)
info->func (GTK_CELL_LAYOUT (data->area), renderer,
info->func (info->proxy ? info->proxy : GTK_CELL_LAYOUT (data->area), renderer,
data->model, data->iter, info->data);
g_object_thaw_notify (G_OBJECT (renderer));
@ -1420,35 +1421,8 @@ gtk_cell_area_set_cell_data_func (GtkCellLayout *cell_layout,
GDestroyNotify destroy)
{
GtkCellArea *area = GTK_CELL_AREA (cell_layout);
GtkCellAreaPrivate *priv = area->priv;
CellInfo *info;
info = g_hash_table_lookup (priv->cell_info, renderer);
if (info)
{
if (info->destroy && info->data)
info->destroy (info->data);
if (func)
{
info->func = func;
info->data = func_data;
info->destroy = destroy;
}
else
{
info->func = NULL;
info->data = NULL;
info->destroy = NULL;
}
}
else
{
info = cell_info_new (func, func_data, destroy);
g_hash_table_insert (priv->cell_info, renderer, info);
}
_gtk_cell_area_set_cell_data_func_with_proxy (area, renderer, (GFunc)func, func_data, destroy, NULL);
}
static void
@ -3636,3 +3610,53 @@ gtk_cell_area_request_renderer (GtkCellArea *area,
*minimum_size += focus_line_width;
*natural_size += focus_line_width;
}
void
_gtk_cell_area_set_cell_data_func_with_proxy (GtkCellArea *area,
GtkCellRenderer *cell,
GFunc func,
gpointer func_data,
GDestroyNotify destroy,
gpointer proxy)
{
GtkCellAreaPrivate *priv;
CellInfo *info;
g_return_if_fail (GTK_IS_CELL_AREA (area));
g_return_if_fail (GTK_IS_CELL_RENDERER (cell));
priv = area->priv;
info = g_hash_table_lookup (priv->cell_info, cell);
/* Note we do not take a reference to the proxy, the proxy is a GtkCellLayout
* that is forwarding it's implementation to a delegate GtkCellArea therefore
* it's life-cycle is longer than the area's life cycle.
*/
if (info)
{
if (info->destroy && info->data)
info->destroy (info->data);
if (func)
{
info->func = (GtkCellLayoutDataFunc)func;
info->data = func_data;
info->destroy = destroy;
info->proxy = proxy;
}
else
{
info->func = NULL;
info->data = NULL;
info->destroy = NULL;
info->proxy = NULL;
}
}
else
{
info = cell_info_new ((GtkCellLayoutDataFunc)func, func_data, destroy);
g_hash_table_insert (priv->cell_info, cell, info);
}
}

13
gtk/gtkcellarea.h
View File

@ -470,6 +470,19 @@ void gtk_cell_area_request_renderer (GtkCellArea
gint *minimum_size,
gint *natural_size);
/* For api stability, this is called from gtkcelllayout.c in order to ensure the correct
* object is passed to the user function in gtk_cell_layout_set_cell_data_func.
*
* This private api takes gpointer & GFunc arguments to circumvent circular header file
* dependancies.
*/
void _gtk_cell_area_set_cell_data_func_with_proxy (GtkCellArea *area,
GtkCellRenderer *cell,
GFunc func,
gpointer func_data,
GDestroyNotify destroy,
gpointer proxy);
G_END_DECLS
#endif /* __GTK_CELL_AREA_H__ */

11
gtk/gtkcelllayout.c
View File

@ -357,7 +357,16 @@ gtk_cell_layout_set_cell_data_func (GtkCellLayout *cell_layout,
area = iface->get_area (cell_layout);
if (area)
gtk_cell_layout_set_cell_data_func (GTK_CELL_LAYOUT (area), cell, func, func_data, destroy);
{
/* Ensure that the correct proxy object is sent to 'func' */
if (GTK_CELL_LAYOUT (area) != cell_layout)
_gtk_cell_area_set_cell_data_func_with_proxy (area, cell,
(GFunc)func, func_data, destroy,
cell_layout);
else
gtk_cell_layout_set_cell_data_func (GTK_CELL_LAYOUT (area), cell,
func, func_data, destroy);
}
}
}